Which of the following sentences is punctuated correctly?                             1.Identify the class from the course book, that you would like to take, during summer school.                                   2. Identify the class (from the course book) that you would like to take during summer school.                                  3. Identify the class from the course book (that you would like to take) during summer school.                               4. Identify the class, from the course book—that you would like to take during summer school.